This is even older (I think), similar idea of building interactive experiences using off-the-shelf lasers: https://web.archive.org/web/20040202205307/http://www.monzy....

Heh I was just about to say, people were doing stuff like this at Parsons/ITP a decade and a half ago, at least...haven't thought about GRL in a while, thanks for the flashback

This is what I immediately thought of as well, I'm just grateful you remembered the name of the project.

An absolute blast from the past, thank you for unlocking the memories of me reading these cool projects way back when!

kids don't think we have memories.